The prefix CL9, CM9
and CO9 belong to Radio Clubs or Hams authorized to operate from a Radio Club. T4,
CO0, CM0 and CL0 are especial prefix to be used from an IOTA Reference, contest
team, special event, etc ...

If you are having trouble deciding what to believe, it might be that you are
confused about reality.

There is no way to peace. Peace is the way. Mahatma Gandhi.
A man is really educate when
he know how to make friends and keep them. I. Newton.
We are all very ignorant, but not
all ignorant of the same things. A. Einstein.